Why raise this flop? You're in a hand heads-up with a small pot. Aggressive or not, your opponent called the pre-flop raise and may well be ahead. You've few outs to improve. Call him down on the flop. I'd call/check to the end and make him pay for his trip. If he's ahead, it's money saved. The value you refer to in those two queens is better invested in flops with no overcards and more opponents. I think countering aggression with aggression here is a long term loss. There are simply too many aces going to these micro-limit flops.