Fold KK after 4 -bet on q high flop?

[Kooox]

No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $185.50
BB: $262.50
UTG: $200
<font color="black">Hero (MP): $224.75</font>
CO: $197
BTN: $317.60

<font color="black">Reads: </font><font color="blue">Villain is 19.9/7.8/1.2 over 450 hands. Usually passive pf but very aggressive on every street.</font>

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] (6 Players)
UTG folds, <font color="red">Hero raises to $7</font>, 3 folds, <font color="red">BB raises to $22</font>, <font color="red">Hero raises to $70</font>,
----- FLOP ----- [6h 8c Qd] (sry, converter messed up)
BB: checks

what now? I don´t really see him calling my 4-bet with anything but AA, KK, QQ, KK being unlikely. Any reasonable bet commits me to the hand.
Bet around $75, fold to push? check, evaluate on turn?