Strange AK, how would you play this?

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($15.20)
BB ($9.95)
UTG ($8.70)
UTG+1 ($11.85)
MP1 ($8.55)
Hero ($13.40)
MP3 ($7.40)
CO ($7.35)
Button ($10.20)

Preflop: Hero is MP2 with Khttp://www.flopturnriver.com/phpBB2/...iles/heart.gif, Ahttp://www.flopturnriver.com/phpBB2/...miles/club.gif.
1 fold, UTG+1 calls $0.10, 1 fold, Hero raises to $0.4, 3 folds, SB calls $0.35, 1 fold, UTG+1 calls $0.30.

Flop: ($1.30) 3http://www.flopturnriver.com/phpBB2/...es/diamond.gif, 8http://www.flopturnriver.com/phpBB2/...iles/heart.gif, 5http://www.flopturnriver.com/phpBB2/...iles/spade.gif (3 players)
SB checks, UTG+1 checks, Hero bets $0.7, SB folds, UTG+1 calls $0.70.

Turn: ($2.70) 2http://www.flopturnriver.com/phpBB2/...es/diamond.gif (2 players)
UTG+1 checks, Hero checks.

River: ($2.70) 4http://www.flopturnriver.com/phpBB2/...iles/heart.gif (2 players)
UTG+1 checks, Hero bets $1.2, UTG+1 raises to $2.4, Hero ?

What would you do in this position? Result will come later