AA

I know this hand is very read dependent. But im playing with villain only few hands and my reads are zero. So im asking what is standard play here?

Players:
UTG (EUR 69,60 in seat 1)
CO (EUR 42,00 in seat 2)
Villain (EUR 86,90 in seat 4)
Hero (EUR 47,50 in seat 5)
BB (EUR 29,72 in seat 6)


Hero was dealt: Ah - Ac

UTG Fold
CO Call (0,50)
Villain Call (0,50)
Hero Raise (2,50)
BB Fold
CO Call (2,25)
Villain Call (2,25)

Flop Qd - 7h - Jd

Hero Bet (7,00)
CO Fold
Villain All-In (84,15)
Hero All-In (37,75)

Whats your move??