100NL trips IP facing push - scary board, ever fold?

[Jimmakos]

Poker Stars - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $100.00
BB: $23.00
UTG: $107.15
MP: $43.90
CO: $316.70
Hero (BTN): $101.10

Preflop: Hero is dealt 7[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] (6 Players)
<font color="red">UTG raises to $4.00</font>, MP folds, CO calls $4.00, Hero calls $4.00, SB calls $3.50, BB folds

Flop: ($17) 6[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] (4 Players)
SB checks, UTG checks, CO checks, <font color="red">Hero bets $13.00</font>, <font color="red">SB raises to $35.00</font>, 2 folds, <font color="red">Hero raises all-in to $97.10</font>, SB calls all-in for $61.00
Uncalled bet of $1.10 returned to Hero

Villain is 26/9/1.2 (180 hands). What's his most probable holding here? Overpair (!!!), two pair, trips, FD+SD, TP+FD or SD? Should we ever fold without any reads? Maybe wait for the turn card before we push and if something scary turns, shutdown?