villain hasnt made an impression on m thus for even through about 250 hands on me, but he has donk stats 39/12/3.6

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($99)
BB ($101.80)
UTG ($151.85)
MP ($142.95)
CO ($97.50)
Hero ($106)

Preflop: Hero is Button with J, Q.
UTG calls $1, 2 folds, Hero raises to $5, 2 folds, UTG raises to $12, Hero calls $7.

Flop: ($25.50) A, A, K (2 players)
UTG checks, Hero checks.

Turn: ($25.50) T (2 players)
UTG bets $25, Hero calls $25.

River: ($75.50) 2 (2 players)
UTG bets $29, Hero ?