[The blackjacker]

I really don't like the river or turn call. What do you beat? a flushdraw? that bets on all streets and bluff the river?
A bad queen that bet all streets?

I think he has at least an ace. The high kicker aces he won't have very often since he would raise those preflop so I think he has something like A7,A8,A5,A3. or maybe 33.

And you said he was loose passive, and still he bets pot on the turn, and you call?

I would fold easily to the pot bet on the turn. Specially if you have a read that he's passive.