Full Tilt Cash game, $0.10/$0.25 No Limit, 9 players
SB: $26.75
HERO (BB): $4.65
UTG: $27.30
UTG+1: $5
MP1: $7.60
MP2: $10
MP3: $29.25
CO: $27.70
Button: $4.65
SB posts Small Blind $0.1
HERO posts Big Blind $0.25
MP2 posts Big Blind $0.25
Pre-flop: Q:s: A:c: ($0.60)
UTG folds, MP1 folds, MP2 checks, MP3 folds, CO calls $0.25, Button folds, SB calls $0.15, HERO checks
Flop: 8:c: T:c: J:s: ($1.00)
SB checks, HERO checks, MP2 checks, CO bets $1, SB folds, HERO folds, MP2 calls $1
Turn: 8:c: T:c: J:s: 4:s: ($3.00)
MP2 bets $0.25, CO raises to $3.7, MP2 folds
Since I played in many tables, I finished in sitout and checked preflop.
At flop, with a gutshot and 2 overcards but not being the preflop aggressor, what is the best move?