This table has been playing TIGHT. I mean max security tight. I've been stealing blinds and firing when any scare card hits the board.
Full Tilt Pot-Limit Hold'em, $0.50 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

MP ($49.25)
CO ($54.80)
Button ($52.75)
Hero (SB) ($57.85)
BB ($50)
UTG ($30.90)

Preflop: Hero is SB with 3, 3
1 fold, MP calls $0.50, 2 folds, Hero calls $0.25, BB checks

Flop: ($1.50) 3, 4, 3 (3 players)
Hero checks, BB checks, MP checks

Turn: ($1.50) 7 (3 players)
Hero checks, BB bets $1, 1 fold, Hero?

What to do, what to do? Should I call and let him see the river? Should I raise to build the pot? How do I extract max, if any, value from this?