Villain is 20/8 over 50 hands

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

BB ($54.70)
Hero (UTG) ($71.10)
UTG+1 ($42.75)
MP1 ($25.95)
MP2 ($29.50)
CO ($63.95)
Button ($75.40)
SB ($49.50)

Preflop: Hero is UTG with K, K
Hero raises to $2, UTG+1 calls $2, 1 fold, MP2 calls $2, 2 folds, SB calls $1.75, 1 fold

Flop: ($8.50) 8, 3, 2 (4 players)
SB checks, Hero bets $8, UTG+1 calls $8, 2 folds

Turn: ($24.50) 9 (2 players)
Hero checks, UTG+1 checks

River: ($24.50) K (2 players)
Hero bets $10