After the flop, you don't know where this potential bet from these aggressives is going to come from -- w/o a good read on that, just bet it out. It'll have the same protection factor if an early player raises your bet as when you pop a late position bettor.

You've got a good hand, but it's vulnerable. So be it. Follow through with PF and bet out on your equity and see what follows.

Now, if the button is hyper-aggressive, and the other fellows are kinda passive....