lots of things to consider there - being a free roll it's not a bad play - you gonna need chips opne way or another and you don't really have any skin in the game AND time is money - get chips now or get knocked out and play a SNG. On the other hand - with AQ you could shove PF and pray or Limp and trap a huge pot with 4 way action. 10% raise is a no-no in my oppinion as u are most certainly committed with a flop raise of any kind into a pot thats probably 30% plus of your stack (leaving you with close to half ur stack behind). Can't say its a wrong play but in a real money tourney maybe you raise 1/2 ur stack (this would be a semi-bluff since AQ aint that gd) and shove flop or limp/trap (getting a look at the flop - keeping it small til turn/river showed the Ace's etc...)