AK - river action?

Villian is 12/9/1.67 after about 30 hands. Is the turn bet standard? Does anybody make the crying call on the river?

UB 2/4 6-handed. Hero is UTG with A [img]/images/graemlins/diamond.gif[/img]K [img]/images/graemlins/club.gif[/img]

Preflop: Hero raises, MP folds, CO 3 bets, folded to hero who caps.

Flop9 SB) 10 [img]/images/graemlins/heart.gif[/img]7 [img]/images/graemlins/heart.gif[/img]3 [img]/images/graemlins/heart.gif[/img].
Bet, call

Turn5.5BB) 4 [img]/images/graemlins/spade.gif[/img]
Bet, call

River~7.5BB) 7 [img]/images/graemlins/club.gif[/img]
Hero checks, Villian bets, Hero...?