Top Set facing pressure 5-10NL

[spyu]

Had an interesting hand a couple days ago. I'm actually villain in the hand.
Live 5-10NL 9 handed. Hero has 6k villain covers. Recently sat down at the table from a must move, no real reads.

Hero gets A [img]/images/graemlins/spade.gif[/img] A [img]/images/graemlins/diamond.gif[/img] in MP.

Pre-Flop: Folds to Hero, Hero raises to 60, 2 callers, Villain in SB calls, BB calls. 5 players.

Flop (300): A [img]/images/graemlins/heart.gif[/img] K [img]/images/graemlins/heart.gif[/img] 10 [img]/images/graemlins/spade.gif[/img]
Villain bets 100, BB folds, Hero calls, rest fold. Heads Up.

Turn (500): 6 [img]/images/graemlins/diamond.gif[/img]
Villain checks, Hero bets 400, Villain CRs to 1200, Hero calls.

River (2900): 5 [img]/images/graemlins/club.gif[/img]
Villain goes all-in. Hero?