Laydown Jacks against virtually unknown? (25nl)

[Peleus]

Full Tilt Poker - No Limit Hold'em Cash Game - $0.10/$0.25 Blinds - 9 Players - (LegoPoker Hand History Converter)
SB: $26.35
BB: $13.85
Hero (UTG): $26.25
UTG+1: $2.55
MP1: $10.35
MP2: $32.10
MP3: $13.60
CO: $9.75
BTN: $22.85

Preflop: Hero is dealt J[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/spade.gif[/img] (9 Players)
<font color="red">Hero raises to $1.00</font>, 6 folds, <font color="red">SB raises to $4.00</font>, BB calls $3.75, Hero calls $3.00

Flop: ($12) 5[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">SB bets $10.25</font>, 2 folds, Hero???

Villain is running around 6/0/inf, but only after 16 hands.

Best off to lay down the hand here and wait for a better spot against them or would anyone really bet that much in as an extreamly good c-bet / scared of overcards 77-TT??