100NL - JJ overpair in BvB

[ciro bonano]

Carlos Poker 0.50/1.00, hand converted by the iPoker Converter at Talking-Poker

saw flop | <font color="#C00000">saw showdown</font>

Button ($105.85)
SB <font color="#C00000">Hero ($100.00)</font>
BB BB ($83.50)
UTG ($120.65)
UTG+1 ($97.00)

Preflop: Hero is in the SB with J [img]/images/graemlins/spade.gif[/img] J [img]/images/graemlins/heart.gif[/img]
3 folds, Hero raises to 2.50, BB calls 2.00.

Flop (6.00) 4 [img]/images/graemlins/club.gif[/img] 7 [img]/images/graemlins/club.gif[/img] 8 [img]/images/graemlins/heart.gif[/img]
Hero bets 4.00, BB raises to 10.00, Hero ...

Villain just sat down. Crai turn or 3bet now? To how much?