AKs in a $6.50 turbo on full tilt

[jesse8888]

Very early (obviously). Villain has not played many hands, but this is his first BB. Table is playing pretty tight preflop for a 6.50 turbo. How do I respond to his CRAI?


Full Tilt Poker No-Limit Hold'em Tourney, Big Blind is t50 (8 handed) Hand History converter Courtesy of PokerZion.com

SB (t1735)
BB (t1490)
Hero (t1555)
UTG+1 (t3185)
MP1 (t1180)
MP2 (t1320)
CO (t1600)
Button (t1435)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to t150</font>, <font color="#666666">6 folds</font>, BB calls t100.

Flop: (t325) 4[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets t275</font>, <font color="#CC3333">BB raises to t1150</font>, Hero ???