Party Poker No-Limit Hold'em, $ Hero (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

CO ($8)
Button ($29.65)
SB ($30.60)
Hero ($32.55)
UTG ($2.75)
UTG+1 ($5)
MP1 ($26.40)
MP2 ($24.05)
MP3 ($28.80)

Preflop: Hero is BB with 8, 7. SB posts a blind of $0.10.
5 folds, CO calls $0.25, 1 fold, SB (poster) completes, Hero checks.

Flop: ($0.75) A, 7, 8 (3 players)
SB checks, Hero bets $1, CO calls $1, SB raises to $3, Hero calls $2, CO folds.

Turn: ($7.75) 9 (2 players)
SB bets $7, Hero ???