This is a cross post from my blog, hopefully get a few more replies.Ok, so what's optimal here? I'm guess we flat and fold turn to any sizable bet if we don't hit gin cards...

I have only seen villain 3-bet TT and JJ that went to show down.

$0.1/$0.25 No Limit Holdem
5 players
Converted at weaktight.com

Profiles and Stacks:
UTG ($5.85) 36.8/2.6/4.0 (38)
Hero ($41.50) 14.9/12.1/2.0 (174)
BTN ($50.05) 13.6/13.6/8.0 (44)
SB ($24.00) 28.6/17.1/4.0 (35)
BB ($41.55) 26.0/12.5/3.3 (104)

Pre-flop: ($0.35, 5 players) Hero is CO
1 fold, Hero raises to $1, 2 folds, BB raises to $3, Hero calls $2

Flop: ($6.1, 2 players)
BB bets $5, $5 to Hero ($38.5)?