Flopped trips - three flush river, I need a river line

[aislephive]

Villain is 30/20 ish.

Party Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Stack sizes:
Hero: $100
UTG+1: $146.75
CO: $230.05
Button: $257.87
SB: $121.01
BB: $98.50

Pre-flop: (6 players) Hero is UTG with Q[img]/images/graemlins/club.gif[/img] 9[img]/images/graemlins/club.gif[/img]
<font color="#cc0000">Hero raises to $4</font>, 2 folds, Button calls, 2 folds.

Flop: 9[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] ($9.5, 2 players)
<font color="#cc0000">Hero bets $6.5</font>, Button calls.

Turn: A[img]/images/graemlins/heart.gif[/img] ($22.5, 2 players)
<font color="#cc0000">Hero bets $17</font>, Button calls.

River: 6[img]/images/graemlins/spade.gif[/img] ($56.5, 2 players)
Hero ???