NL25 JJ in 3bet pot oop

[checktheriver]

I just sat down at the table, so I don't have any reads on villain. I don't really like the passive line I took, but in spots like these I tend to be scared and c/c all the way. Would you fold/bet/raise at any point in this hand ?

Poker Stars - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $13.15
BB: $21.75
UTG: $24.60
Hero (CO): $25.35
BTN: $25.95

Preflop: Hero is dealt J[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img] (5 Players)
UTG folds, <font color="red">Hero raises to $1.00</font>, <font color="red">BTN raises to $3.50</font>, 2 folds, Hero calls $2.50

Flop: ($7.35) 8[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets $5.50</font>, Hero calls $5.50

Turn: ($18.35) 4[img]/images/graemlins/club.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets all-in for $16.95</font>, Hero calls all-in for $16.35