NL25 Trip Aces on 3flush board facing all-in on river

[Brocken]

Party Poker, $0.10/$0.25 NL Hold'em Cash Game, 5 Players
LegoPoker Hand History Converter

Hero (CO): $26.79
BTN: $18.90
SB: $26.22
BB: $11.48
UTG: $29.78

Pre-Flop: J[img]/images/graemlins/spade.gif[/img] A dealt to Hero (CO)
UTG folds, <font color="red">Hero raises to $1</font>, BTN calls $1, SB calls $0.90, BB calls $0.75

Flop: ($4) A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/heart.gif[/img] (4 Players)
<font color="red">SB bets $1</font>, BB folds, <font color="red">Hero raises to $3</font>, BTN folds, SB calls $2

Turn: ($10) A[img]/images/graemlins/heart.gif[/img] (2 Players)
SB checks, <font color="red">Hero bets $5</font>, SB calls $5

River: ($20) 4 (2 Players)
<font color="red">SB bets $17.22 and is All-In</font>, Hero ...

No info on villain. ;(