Turn action?

[SGS]

Just started a session, never seen villian before. I haven't been out of line or anything. What is your action on the turn?

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $3/$6
6 players
Converter

Stack sizes:
UTG: $657.25
UTG+1: $422
Hero: $711.15
Button: $91
SB: $603
BB: $441.90

Pre-flop: (6 players) Hero is CO with A[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]
UTG folds, <font color="#cc0000">UTG+1 raises to $12</font>, <font color="#cc0000">Hero raises to $45</font>, Button folds, SB calls, BB folds, UTG+1 calls.

Flop: Q[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] ($141, 3 players)
SB checks, UTG+1 checks, <font color="#cc0000">Hero bets $110</font>, SB calls, UTG+1 folds.

Turn: 7[img]/images/graemlins/heart.gif[/img] ($361, 2 players)
SB checks, Hero ???

SGS

[Socialite]

check and I don't put more money in the pot