Need a bluffer's opinion

[Silly String]

BB and I have been battling a little lately. He isn't showing down much vs. the table, but he is winning a lot of pots. He is running 30/17 and I have seen him bet 3 streets for value in a limped pot with TPNK(A2) vs. a loose fish. The Ace of spades is a great card to rep here right? What do you lead with?
My image is Taggy 20/13 or so, but I have been bumping heads with the BB the last couple orbits and he is winning most confrontations with aggression and position. FWIW, I am missing every flop vs. him and he is either hitting or floating and taking the pots away on the turn.

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

CO ($31.15)
Button ($30)
Hero ($59.60)
BB ($68.40)
UTG ($27.05)
MP ($81.55)

Preflop: Hero is SB with 7, T.
4 folds, Hero completes, BB raises to $1.5, Hero calls $1.

Flop: ($3) T, 8, Q (2 players)
Hero checks, BB bets $2, Hero calls $2.

Turn: ($7) 6 (2 players)
Hero checks, BB bets $5, Hero raises to $14.5, BB calls $9.50.

River: ($36) A (2 players)
Hero ???

Final Pot: $36

[biondino]

Well, a check on the river isn't as weak as it might be since you have checked the previous two streets and then called/raised. With a bit of luck he'll check behind, fearful of the flush/two pair, and if he does bet then there's a pretty decent chance he's got you beat because bluffing makes little sense given the previous action.