SB is aggressive, seems decent although he's short. BB is new to table.

Party Poker No-Limit Hold'em, $ BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

BB ($49.15)
UTG ($49.50)
Hero ($50.35)
Button ($48.20)
SB ($34.29)

Preflop: Hero is MP with 7, 6. SB posts a blind of $0.25.
UTG calls $0.50, Hero calls $0.50, 1 fold, SB (poster) raises to $2.25, BB calls $2, UTG folds, Hero calls $2.

Flop: ($8) 5, 9, 4 (3 players)
SB bets $5, BB raises to $10, Hero ???