NL100 - Suited texas dolly. thoughts on this push?

[litemyfire]

What do you guys think of my play here? would anyone have led the flop or it CRAI the best play (or check/fold)?
Villan - 23 hands, 39/13/9


Poker Room skin
No Limit Holdem Ring game
Blinds: $0.50/$1
10 players
Converter

Stack sizes:
Hero: $122.15
UTG+1: $122.65
UTG+2: $100.00
MP1: $98.00
MP2: $291.50
MP3: $233.95
CO: $90.85
Button: $19.85
SB: $45.50
BB: $60.00

Pre-flop: (10 players) Hero is UTG with A[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/spade.gif[/img]
<font color="#cc0000">Hero raises to $4</font>, UTG+1 folds, UTG+2 calls, 2 folds, <font color="#cc0000">MP3 raises to $12</font>, 3 folds, BB calls, Hero calls, UTG+2 calls.

I only called cause BB is a total donk and i was getting like 4/1 pot odds.

Flop: 3[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] ($48.5, 4 players)
BB checks, Hero checks, UTG+2 checks, <font color="#cc0000">MP3 bets $35</font>, BB folds,

<font color="#cc0000">Hero raises arrrrrrrrrin $110.15</font>