I got pwned

Party Poker
No Limit Holdem Ring game
Blinds: $1/$2
4 players
Converter

Stack sizes:
UTG: $293.48
Hero: $264.64
SB: $277.67
BB: $338.93

Pre-flop: (4 players) Hero is Button with A A
UTG folds, Hero raises to $7, SB calls, BB folds.

Flop: A 6 K ($16, 2 players)
SB bets $6, Hero raises to $22, SB calls.

Turn: 5 ($60, 2 players)
SB checks, Hero bets $44, SB calls.

River: 3 ($148, 2 players)
SB raises all-in $204.67, Hero calls all-in $191.64.
Uncalled bets: $13.03 returned to SB.

Results:
Final pot: $531.28
SB shows 4s 7s
Hero doesn't show Ad Ac