diff --git a/proto/umee/auction/v1/query.proto b/proto/umee/auction/v1/query.proto
index 0072468b51..39ba409c22 100644
--- a/proto/umee/auction/v1/query.proto
+++ b/proto/umee/auction/v1/query.proto
@@ -42,6 +42,8 @@ message QueryRewardsAuctionResponse {
   // highest bidder
   string   bidder                               = 2;
   repeated cosmos.base.v1beta1.Coin rewards     = 3 [(gogoproto.nullable) = false];
-  cosmos.base.v1beta1.Coin          usd_rewards = 4 [(gogoproto.nullable) = false];
-  google.protobuf.Timestamp         ends_at     = 5 [(gogoproto.nullable) = false, (gogoproto.stdtime) = true];
+  google.protobuf.Timestamp         ends_at     = 4 [(gogoproto.nullable) = false, (gogoproto.stdtime) = true];
+
+  // not sure if we will need it:
+  // cosmos.base.v1beta1.Coin          usd_rewards = 5 [(gogoproto.nullable) = false];
 }
diff --git a/util/store/store.go b/util/store/store.go
index 7ae917999d..0d90a1982a 100644
--- a/util/store/store.go
+++ b/util/store/store.go
@@ -76,6 +76,7 @@ func SetBinValue[T BinMarshalable](store sdk.KVStore, key []byte, value T, errFi
 // false without modifying the object.
 func GetValueCdc(store sdk.KVStore, cdc codec.BinaryCodec, key []byte, object codec.ProtoMarshaler,
 	errField string) bool {
+
 	if bz := store.Get(key); len(bz) > 0 {
 		err := cdc.Unmarshal(bz, object)
 		if err != nil {
diff --git a/x/auction/keeper/grpc_query.go b/x/auction/keeper/grpc_query.go
index 0c9b3a1c6c..1d0c716ad7 100644
--- a/x/auction/keeper/grpc_query.go
+++ b/x/auction/keeper/grpc_query.go
@@ -27,10 +27,14 @@ func (q Querier) RewardsParams(goCtx context.Context, _ *auction.QueryRewardsPar
 }
 
 // RewardsAuction returns params of the x/auction module.
-func (q Querier) RewardsAuction(goCtx context.Context, _ *auction.QueryRewardsAuction) (
+func (q Querier) RewardsAuction(goCtx context.Context, msg *auction.QueryRewardsAuction) (
 	*auction.QueryRewardsAuctionResponse, error,
 ) {
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	b := q.Keeper(&ctx)
-	return b.currentRewardsAuction()
+	bid, id := q.Keeper(&ctx).getRewardsBid(msg.Id)
+	return &auction.QueryRewardsAuctionResponse{
+		Id:     id,
+		Bidder: bid.Bidder,
+		// TODO: add other fields
+	}, nil
 }
diff --git a/x/auction/keeper/keys.go b/x/auction/keeper/keys.go
index d3da854494..e0cb8e2bdd 100644
--- a/x/auction/keeper/keys.go
+++ b/x/auction/keeper/keys.go
@@ -2,7 +2,6 @@ package keeper
 
 import (
 	"github.com/umee-network/umee/v6/util"
-	"github.com/umee-network/umee/v6/x/auction"
 )
 
 var (
@@ -12,5 +11,5 @@ var (
 )
 
 func (k Keeper) keyRewardsBid(id uint32) []byte {
-	return util.ConcatBytes(0, keyPrefixRewardsBid)
+	return util.KeyWithUint32(keyPrefixRewardsBid, id)
 }
diff --git a/x/auction/keeper/rewards.go b/x/auction/keeper/rewards.go
index 13cb3c1425..1606bb90cf 100644
--- a/x/auction/keeper/rewards.go
+++ b/x/auction/keeper/rewards.go
@@ -23,8 +23,14 @@ func (k Keeper) currentRewardsAuction() uint32 {
 }
 
 func (k Keeper) rewardsBid(msg *auction.MsgRewardsBid) error {
+	id := k.currentRewardsAuction()
+	if id != msg.Id {
+		return errors.New("bad auction ID, can only bid in the current auction = " + strconv.Itoa(int(id)))
+	}
+
 	keyMsg := "auction.rewards.highest_bid"
-	lastBid := store.GetValue[*auction.Bid](k.store, keyRewardsHighestBid, keyMsg)
+	key := k.keyRewardsBid(msg.Id)
+	lastBid := store.GetValue[*auction.Bid](k.store, key, keyMsg)
 	minBid := auction.MinRewardsBid
 	if lastBid != nil {
 		minBid = lastBid.Amount.Add(minBid)
@@ -38,10 +44,6 @@ func (k Keeper) rewardsBid(msg *auction.MsgRewardsBid) error {
 	prevBidder, err := sdk.AccAddressFromBech32(lastBid.Bidder)
 	util.Panic(err)
 	vault := k.accs.RewardsBid
-	id := k.currentRewardsAuction()
-	if id != msg.Id {
-		return errors.New("bad auction ID, can only bid in the current auction = " + strconv.Itoa(int(id)))
-	}
 
 	if lastBid.Bidder != msg.Sender {
 		if err = k.sendCoins(vault, prevBidder, umeeCoins(lastBid.Amount)); err != nil {
@@ -58,11 +60,14 @@ func (k Keeper) rewardsBid(msg *auction.MsgRewardsBid) error {
 	}
 
 	bid := auction.Bid{Bidder: msg.Sender, Amount: msg.Amount.Amount}
-	return store.SetValue(k.store, keyRewardsHighestBid, &bid, keyMsg)
+	return store.SetValue(k.store, key, &bid, keyMsg)
 }
 
-
-
-func (k Keeper) currentRewardsAuction() (*auction.QueryRewardsAuctionResponse, error) {
-	panic("not implemented")
+func (k Keeper) getRewardsBid(id uint32) (*auction.Bid, uint32) {
+	if id == 0 {
+		id = k.currentRewardsAuction()
+	}
+	keyMsg := "auction.rewards.bid"
+	key := k.keyRewardsBid(id)
+	return store.GetValue[*auction.Bid](k.store, key, keyMsg), id
 }