Villian is 39/22/1.6 over like 20 hands... so i think 2 barreling this is standard.... but i decide to check river to him... theres four too a straight out there, i also think that he could have a set a lot here or two pair... Better ways to play this?????

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($25)
MP ($27.25)
CO ($63.35)
Button ($31.65)
SB ($46.95)
BB ($34.05)

Preflop: Hero is UTG with A, A.
Hero raises to $1, MP calls $1, 3 folds, BB calls $0.75.

Flop: ($3.10) 8, 5, 9 (3 players)
BB checks, Hero bets $2.25, MP calls $2.25, BB folds.

Turn: ($7.60) 4 (2 players)
Hero bets $7, MP calls $7.

River: ($21.60) 7 (2 players)
Hero checks, MP bets $11.5, Hero folds.

Final Pot: $21.60