NL50 Bluffing turn AI in 3 bet pot, monotone flop.

[JROK777]

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter

Stack sizes:
UTG: $225.20
UTG+1: $48
CO: $56.90
Button: $49.75
Hero: $49.50
BB: $40.25

Pre-flop: (6 players) Hero is SB with A[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]
UTG calls, UTG+1 folds, <font color="#cc0000">CO raises to $2.25</font>, Button folds, <font color="#cc0000">Hero raises to $7.75</font>, BB folds, UTG calls, CO folds.

Flop: 8[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img] ($18.25, 2 players)
<font color="#cc0000">Hero bets $12.5</font>, UTG calls.

Turn: 7[img]/images/graemlins/club.gif[/img] ($43.25, 2 players)
<font color="#cc0000">Hero is all-in $29.75

I can't remember villians stats. I normally don't do this. After looking at the action, I couldn't find a hand villian would have that he wouldn't just shove this dangerous flop. Im not considering the 117 to 1 chance he flopped a flush. If he has a set or AK he should shove the flop for protection. If he has QQ, he can't call this turn shove w/o the Q of diamonds(I have it). I figured he must be drawing w/a lone ace high fd and decided to bluff shove. Does this play look good to you or am I just crazy?