WSOP qualifier. AQ hand

[KHALI]

100/200 level with 25 antes we are nine handed.Five players at this table were in top 20. 75 left out of 750. Top 6 get seats.

UTG has 11954
Hero has 12397
Three othr stacks at table between 10-12 grand.

UTG limps for 200
Hero is on Button with AhQh raises to 1000

May be big but I had seen villian limp and call raises of 4x and 5x on numerous occasions so I figured charge and get heads up? Comments

BB calls(he has 13000)
UTG calls.

Flop is Ad 6s Td

BB check
UTG bets 800
Hero ?

How much do you raise here or do you call? I will say with almost 100% certainty villian is on small suited ace in this situation.

[KHALI]

Hero raises to 3000.
UTG calls.

Should I push her or raise a larger amount?
Turn 5h

UTG checks
Hero ??