bet/fold about $1.10.
Check out this post for a reason why:
http://www.flopturnriver.com/pokerfo...rs-143207.html
Granted, you're IP and playing less than .5/1 so it's not technically a bet/fold, but I'd still bet ~1/3 pot to get some value from the hands you are beating which might call. (The fold would come to a large c/r)