NL100 AK against push on turn

[chris216]

Villain is basically unknown. I think at the time he was running at 18/13/6 over 30 hands or something. I've only been at the table for like 25 hands, but I've been on a rush, running like 40/33/7 so far. Do you think there is a chance he is playing back at me? What do you do preflop? I would shove if we were 100bb deep but this is probably not quite as good when you are 150bb deep. Comments?

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP ($89.70)
Button ($118.85)
SB ($25.80)
BB ($153.80)
Hero ($187.40)

Preflop: Hero is UTG with K[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises to $4</font>, MP calls $4, <font color="#666666">2 folds</font>, <font color="#CC3333">BB raises to $17</font>, Hero calls $13, MP folds.

Flop: ($38.50) 6[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $31</font>, Hero calls $31.

Turn: ($100.50) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $105.8 (All-In)</font>, Hero ???

[JackAll]

I prob just fold pf right now with so few hands and his tight stats (so far)

As played, I just don't see what hand he does this with that we beat - outside of a bluff, and we don't have enough reads to call a bluff.