Flopped quads deep stacked: now what?

[Rainclouds]

I guess you somehow need to assess if your opponents are too aggressive or too passive and base your action on that.

If they are too passive: raise flop to $90, bet $200 on turn and $450 river, ship 1.5K pot

If they are too aggressive: I'm tempted to slowplay it on the flop to get calls from other opponents or to get value out of a second barrel, but raise the turn for sure since you somehow want to get it in vs a good hand at the end without making a huge overbet.

But how you played it seems perfect as well. I think it doesn't really matter since he had QQ, the money was going in anyway without an overcard on the board.