Villain is 38/4 over 200 hands. Post-flop aggression frequencies are pretty low 26/40/30.

Party Poker No-Limit Hold'em, $ BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($49.60)
UTG ($40)
MP1 ($44.35)
Hero ($119.90)
CO ($39.25)
Button ($28)
SB ($52.10)

Preflop: Hero is MP2 with A, K. UTG posts a blind of $0.50. SB posts a blind of $0.25.
UTG (poster) checks, 1 fold, Hero raises to $2.5, 4 folds, UTG calls $2.

Flop: ($5.75) A, 9, 6 (2 players)
UTG checks, Hero bets $4.25, UTG raises to $12, Hero ???