($55) Stars - AK vs tight UTG raise and reraise all-in

[ryanghall]

UTG is 7/3 after like 33 hands. The reraiser is around 30/10 after the same number. I'm obviously ahead of the reraiser's range but UTG's raise is scary. What's my play here?

PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button (t6680)
Hero (t3425)
BB (t4870)
UTG (t2810)
UTG+1 (t3650)
MP1 (t1500)
MP2 (t3040)
MP3 (t7510)
CO (t1025)

Preflop: Hero is SB with K[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
<font color="#CC3333">UTG raises to t150</font>, <font color="#666666">4 folds</font>, <font color="#CC3333">CO raises to t1025</font>, 1 fold, Hero?