How is this line? Opp's stats were 82/10/2.8, ie. HEE HAW! Am I too weak to just call rather than raise the turn and river?

(Grrr in a turbo SNG I wouldn't have to make these decisions, I'd be AI on the flop)

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.10/$0.25
8 players
Converter

Stack sizes:
Hero: $54.85
UTG+1: $21
MP1: $53.60
MP2: $23.65
CO: $7.80
Button: $4.30
SB: $27.40
BB: $24.75

Pre-flop: (8 players) Hero is UTG with 3 3
Hero calls, 2 folds, MP2 calls, 2 folds, SB calls, BB raises to $1.25, Hero calls, MP2 calls, SB calls.

Flop: 3 J 8 ($5, 4 players)
SB bets $1, BB calls, Hero raises to $6, MP2 folds, SB calls, BB folds.

Turn: 6 ($18, 2 players)
SB bets $2.25, Hero calls.

River: 9 ($22.5, 2 players)
SB bets $3.5, Hero calls.