Poker Stars, $0.02/$0.05 No Limit Hold'em Cash, 6 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.

SB: $5.24 (104.8 bb)
BB: $12.23 (244.6 bb)
Hero (UTG): $5.30 (106 bb)
MP: $26.80 (536 bb)
CO: $11.43 (228.6 bb)
BTN: $10.05 (201 bb)

Preflop: Hero is UTG with 4d 4s
Hero raises to $0.10, 3 folds, SB calls $0.08, BB folds

Flop: ($0.25) 2h Ad Kd (2 players)
SB checks, Hero bets $0.15, SB calls $0.15

Turn: ($0.55) 9h (2 players)
SB checks, Hero bets $0.40, SB calls $0.40

River: ($1.35) Jd (2 players)
SB bets $2, Hero folds

Results: $1.35 pot ($0.06 rake)
Final Board: 2h Ad Kd 9h Jd
SB mucked and won $1.29 ($0.64 net)
Hero mucked 4d 4s and lost (-$0.65 net)
vilain is a 12/9 rock with 79 hands
when bet on the turn, I think mostly he has an Ace, but the river over bet seems he has the flush, what do you think.