$200/400 facing river C/R getting really good odds

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The other player is good and views me as same. We don't have much relevant history. If you fold here, do you call AT?

Seat 2: David Benyamine ($26,595)
Seat 3: villain ($49,398.50)
Seat 5: hero ($40,000)
villain posts the small blind of $200
hero has 5 seconds left to act
hero posts the big blind of $400
The button is in seat #2
*** HOLE CARDS ***
Dealt to hero [A [img]/images/graemlins/heart.gif[/img] K [img]/images/graemlins/diamond.gif[/img]]
David Benyamine folds
villain raises to $1,200
hero raises to $4,000
villain calls $2,800
*** FLOP *** [Q [img]/images/graemlins/club.gif[/img] 4 [img]/images/graemlins/spade.gif[/img] 3 [img]/images/graemlins/spade.gif[/img]]
villain checks
hero bets $6,300
villain calls $6,300
*** TURN *** [Q [img]/images/graemlins/club.gif[/img] 4 [img]/images/graemlins/spade.gif[/img] 3 [img]/images/graemlins/spade.gif[/img]] [T [img]/images/graemlins/club.gif[/img]]
villain checks
hero checks
*** RIVER *** [Q [img]/images/graemlins/club.gif[/img] 4 [img]/images/graemlins/spade.gif[/img] 3 [img]/images/graemlins/spade.gif[/img] T [img]/images/graemlins/club.gif[/img]] [A [img]/images/graemlins/diamond.gif[/img]]
villain checks
hero has 15 seconds left to act
hero bets $16,800
villain raises to $30,000, and is all in

hero has ~ $13k left