[qbler]

Like the preflop raise (though I suppose you could consider just pushing there) hate the flop push for the simple reason that he's not calling with anything that you're ahead of. Check, make a decision after he acts, be willing to let it go if your read is that he has an A. Yes it's irritating to have KK cracked by A-x, but it happens. Better to lose 550 when it does than your entire stack.