It's ironic I passed Calculus but can't do basic addition...
So if I dont make any simple arimthmetic mistakes....my 3bet sizes are ok?
Heh, your not the only one who can solve derivatives yet have a brain freeze at something like 1+2 (okay maybe not that simple but point made), as for the 3-bet size I think it's too big in this particular situation. Depends on alot of factors though, but for your intended purpose it really just needs to be bigger than a normal raise to weed out any callers, reel in the fish UTG, and put the MP raiser in a tough spot. To accomplish this, I think anywhere from $4-$4.50 is good.
I called since I figured i flipping against most hands in his range.

He had AK

Ship it on the double queen flop
Haha nice, karma gone to work against the guy who doesn't know wtf he's doing and in favour of the one who's patient enough to wait for a good spot. So did he reload and spew?