[The Funky Llama]

danza, the problem with raising the turn on an A966 or A969 board is that the range of hands that bet/call the turn is crushing your hand.

The vast majority of people would check that turn with a pair below aces and if he has like KQ or QJ you want to give him a chance to pair or bluff the river. If he does bet those turns with a pair below aces, there's a good chance he will fold to your raise.