Villain is 35/21/4
I think he will stack off lightly because he's a shortstacker
So 77 or 99 here is most of his range. So is this a coinflip? Either I'm crushed or I crush him. 66 would suck, but he could also have something silly like AK

Full Tilt No-Limit Hold'em, $0.25 BB (9 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

BB ($5)
UTG ($23.30)
UTG+1 ($8.80)
Hero (MP1) ($25)
MP2 ($30.55)
MP3 ($7.55)
CO ($9.65)
Button ($36.85)
SB ($16.50)

Preflop: Hero is MP1 with 8, 8
2 folds, Hero raises to $0.75, 4 folds, SB calls $0.65, 1 fold

Flop: ($1.75) 5, 5, 2 (2 players)
SB checks, Hero bets $1, SB raises to $4, Hero calls $3

Turn: ($9.75) 6 (2 players)
SB bets $11.75 (All-In), Hero ?