A-K and getting owned - Turbo SNG

[tuuk2]

I'd like a little advice with this hand. It's pretty early in a 10-man Turbo Sng $3.40. I raise A-K from middle position to make sure I can isolate if necessary. That's why I raise 5x instead of 3x. I'm pretty sure I'll at least get the limper to call, which is what happened. His call makes me think he's on a decent but not great hand, like PP or AQ-A10, maybe even KQ-K10.

PokerStars No-Limit Hold'em, $3.00+$0.40 Tournament, 15/30 Blinds (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

MP3 (t2835)
CO (t1475)
Button (t1965)
SB (t1250)
BB (t1040)
UTG (t1430)
UTG+1 (t1385)
MP1 (t2020)
Hero (MP2) (t1600)

Hero's M: 35.56

Preflop: Hero is MP2 with K, A
UTG calls t30, 2 folds, Hero bets t150, 5 folds, UTG calls t120

Flop: (t345) 2, J, 4 (2 players)
UTG checks, Hero bets t300, UTG calls t300

After the flop, his check seems weak to me. I don't think he checks with a hand like A-J or K-J. I would expect him to raise to protect against the two hearts. He might even do that with trips. When he calls, I'm thinking he's on a draw, most likely hearts in my opinion, but possibly A-3, or A-5. Really hard to say this early with some of these players.

Turn: (t945) Q (2 players)
UTG bets t360, Hero calls t360

The turn has me slightly confused. His raise makes me think he hit a pair of Queens. It's certainly in his range I've put him on. But after consideration, I decide to call and see what the River brings. I've got maybe 6 to 9 outs, plus I might still be ahead.

River: (t1665) Q (2 players)
UTG bets t620 (All-In), Hero???

Now I'm lost. I'm pretty convinced he had a Queen and hit the jackpot. Does anyone think differently? Should this be an easy fold?

[baudib]

Bet less on the flop, around 250 or so. Fold the turn.

[TLR]

Preflop: I think 5BB is a good raise in low buy in Sng, especially with a limper
Flop: Once you got to heads up action you can go for a smaller c-bet, around 220-240 will do the job, he will probably fold if he has nothing, and you dont want to build a big pot, and you want to be able to fold if he plays back
Turn: Fold it, it is very rare to see people call on the flop to bluff on the turn in those low buy in Sngs, if he called preflop and flop and bets the turn he has you beat, calling this bet means sbout 1/2 your stack is in the pot with A high.
River: Fold, he most likely has you beat

[taipan168]

What TLR and baudib said - smaller flop bet and fold the turn.