Preflop
3-betting KK is obviously the standard play, and sizing is fine as well.
Flop
This is a very dry board. Sure a flushdraw is present, but they tend to matter less in 3-bet pots, because ranges are supposed to be pocket pair heavy. And other than the possibility, our opponent could have a flushdraw, this is a classic way ahead or way behind spot. Either they binked the flop with a QX hand or 44, and then we are toast drawing to 2 outs. Or they dont have any of those hands, and then they have 2-3 outs at most. So as Eatenor say, we want to use a small betsizing here like no more than 40% pot at the most. A size, where maybe they feel, they have to peal one with their AJ, and they certainly wont fold a pocket pair.
We never want to create a situation in poker, where we are betting for value, but if we get action, we are not doing well. And while we will probably be ahead of the range, that call even a large flop bet, are we also ahead, if we bet again on the turn and river? Probably not so our hand is simply not strong enough to start building such a large pot. We could even check behind here to induce bluff, if we are playing against a spewy individual.
We do go large though, and now the Villain check-jam for around 2 times the pot. You need around 40% equity to break even in pure chip EV, so it boils down to, how spewy they are. Are they able to show up here with a hand like JJ and play it like this? If the best case scenerio is, that we are up against the nut flushdraw, then this is a fold, because then we are either crushed or against a hand with 12 outs, and we are simply not getting a good enough price.
In general I will say, that massive overbets in the micros tend to be for value, so I think, our default here should definitely be to fold. Yes its annoying to fold to a maniac, but even maniacs can make a hand, and if he is calling our 3-bet to wide, that actually put more QX in his range. So while he has more air, he also have more value, we lose to, and that is probably the more important factor here.
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