$16: Limped AK facing push from donk

[Emperor Norton]

PokerStars No-Limit Hold'em Tourney, Big Blind is t30 (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

MP2 (t1550)
CO (t1470)
Button (t1845)
SB (t4120)
BB (t925)
UTG (t550)
Hero (t1545)
MP1 (t1495)

Preflop: Hero is UTG+1 with K[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">1 fold</font>, Hero calls t30, <font color="#666666">1 fold</font>, MP2 calls t30, <font color="#666666">3 folds</font>, <font color="#CC3333">BB raises to t925</font>, Hero calls t895

Villain had lost a third of his chips in the previous hand doing something silly. If I don't believe that AA and KK are in his range, is this a call? Or is this a spot where I should fold AK early?