Villain is basically unknown. I was sitting at a 6 max table and he joined. We've only been playing hu for 15 hands or so he seems decently aggressive has 3 bet a couple of times and not doing anything overly fishy. He hasn't been calling oop very much.

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

Hero ($200)
BB ($206)

Preflop: Hero is Button with 9, T.
Hero raises to $6, BB calls $4.

Flop: ($13) 9, 7, J (2 players)
BB checks, Hero checks.

Turn: ($13) 8 (2 players)
BB bets $6, Hero raises to $22, BB calls $16.

River: ($57) 4 (2 players)
BB checks, Hero bets $40, BB raises to $122, Hero?