I generally dont like 3-betting OOP on inadequate values. I think it is very different to cap when in position. So if I raise from the cutoff with A9s and the blind plays back at me, I will cap this pretty often for bluff value later. But if there's a bet and a raise to me in the SB and Im holding A9s or such, Im inclined to fold. This is just too hard to play OOP, particularly if the raiser is aggressive.