Maybe generally an opponent will fold 99+TT and call JJ or so, depending on the river card and just to get some frequency of folding and calling in here. I still think that's too narrow of a range to bluff 2 streets for.

IF your 3betting range for villain is spot on, of course betting 2 streets to get him of JJ-99 is right. But you're never 100% sure of it.

I also think almost anyone's 3betting range has at least some air hands in them.
If you're not opening light and therefor think villain won't 3bet you light, he's definately not 3betting 99, very unlikely TT, maybe not JJ and AJ+AQ are unsure.