Fold KK to a push on flop?

[Javanewt]

10-handed. Table has been very loose aggressive. No real reads on villain, but not as loose/aggressive as the rest of the table seems to be.

Hero has ~80bb; villain has ~100bb

Folded to villain on button

Villain raises to 4bb

SB folds

Hero in BB raises to 13bb K[img]/images/graemlins/club.gif[/img]K[img]/images/graemlins/diamond.gif[/img]

Villain calls

Flop 2[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img]

Hero bets pot

Villain is all-in

Hero?