Villain has nittish stats over a small sample, I have a clean image. This the first time I've 3 bet him but I've seen him in a couple of 3 bet pots, none with the initiative.

PokerStars No-Limit Hold'em, $2 BB (5 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($199)
BB ($219.05)
UTG ($142.80)
MP ($101.40)
Button ($220.70)

Preflop: Hero is SB with 8, 9.
UTG calls $2, 1 fold, Button raises to $10, Hero raises to $34, 1 fold, UTG folds, Button calls $24.

Flop: ($72) 3, 3, 4 (2 players)
Hero checks, Button checks.

Turn: ($72) A (2 players)
Hero bets $40, Button calls $40.

River: ($152) 2 (2 players)
Hero bets $125 (All-In),