NL 50 - tough river decision with quads

[bkar824]

Villain x/x/x.x and I've seen him bet before.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 8 Players - (LegoPoker Hand History Converter)

SB: $21.35
BB: $37.50
UTG: $86.30
UTG+1: $56.10
MP1: $11.25
MP2: $45.25
Hero (CO): $51.00
BTN: $18.75

Preflop: Hero is dealt 6[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/club.gif[/img] (8 Players)
UTG folds, UTG+1 calls $0.50, 2 folds, Hero calls $0.50, 2 folds, BB checks

Flop: ($1.75) 5[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img] (3 Players)
BB checks, <font color="red">UTG+1 bets $1.00</font>, <font color="red">Hero raises to $3.00</font>, BB folds, UTG+1 calls $2.00

Turn: ($7.75) 6[img]/images/graemlins/diamond.gif[/img] (2 Players)
UTG+1 checks, <font color="red">Hero bets $5.00</font>, UTG+1 calls $5.00

River: ($17.75) Q[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">UTG+1 bets $10.00</font>, Hero ??

Sorry, I had to do this after my last post in this forum!

Lol, I shoved and he called me with A8 [img]/images/graemlins/grin.gif[/img]