QQ Facing a weak bet

[ninjia3x]

Hero's got full buy in 100bb in sb (QQ)
Villian's got full buyin 100bb on the button

4 limps, comes to the button, makes a 7xBB raise
i decided to call the raise and see what develops on the flop.

flop comes 725 2suited, (18xBB)
i check to him, and he only gets 6xBB, smaller than his preflop raise.

so my question is should i put in a big raise?

i putting him on a AK or JJ



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