Go against the big stack?

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Limit Hold'em tournament $60 buy-in, 95 players, 13 left, 10 spots will be paid. Your table has six players. Average stack size is ~$5,500, you have ~$15,000.
Blinds are 1000, 1500, no antes yet. You have the big blind.


UTG ($3000)
MP1 ($2000)
CO ($4500)
Button ($17000)
SB ($6000)
Hero($15000)

Preflop : Hero is BB ($1500 up) with (3 [img]/images/graemlins/club.gif[/img], 5 [img]/images/graemlins/club.gif[/img]). The table folds to the Button, who limps. SB calls at a discount, and you tap to go.

Flop : ($4500) (2 [img]/images/graemlins/diamond.gif[/img] , 5 [img]/images/graemlins/heart.gif[/img] , 8 [img]/images/graemlins/club.gif[/img]). You decide to bet out. Button calls, SB folds. (2 players)

Turn : ($7500) (3 [img]/images/graemlins/spade.gif[/img]). You likey, and bet again ($3000). However, the button raises, and you've been put to a decision. You have $10,500 left, and need to decide whether to take on the big stack. Fold, call and reraise are all possible here. Comments invited.