200nl AK oop in big pot

Very unsure what to do here. Flop comments are also welcome.

PokerStars No-Limit Hold'em, $2.00 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

CO ($200)
Button ($205.35)
Hero (SB) ($259.80) only 2nd sb at table (no image)
BB ($239.75) -30/10 over 20 hands (no reads)
UTG ($578.15) -26/6 over 40 hands (no reads)
UTG+1 ($233.55) -18/10 bad reg
MP1 ($72.40)
MP2 ($200)

Preflop: Hero is SB with Khttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, Ahttp://www.flopturnriver.com/phpBB2/...iles/spade.gif
UTG calls $2, UTG+1 calls $2, 4 folds, Hero bets $12, BB calls $10, UTG calls $10, UTG+1 calls $10

Flop: ($48) Khttp://www.flopturnriver.com/phpBB2/...miles/club.gif, Jhttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, 8http://www.flopturnriver.com/phpBB2/...es/diamond.gif (4 players)
Hero bets $36, 1 fold, UTG calls $36, 1 fold

Turn: ($120) 7http://www.flopturnriver.com/phpBB2/...iles/heart.gif (2 players)
Hero

Ah, the ol' limp/call from UTG. I fire a 1/2 PSB on the turn. AJ, KQ, 22+ are all within his range. Bet/fold the turn if raised unless you like playing for stacks OOP with TPTK. :wink:

B/f turn. He could have KQ/Jx/QT/etc. hands that we beat and then his T9 got there so we can fold.