i usually fastplay here, but tried something different

[gomberg]

6 handed 5-10. I have everyone covered.

bad UTG limps ($500). nothing special CO limps ($1200). I limp w/ Ad3d on button. SB folds, BB checks ($1000).

Flop ($43) is Kd6d8d NICE!

checked to cutoff who bets $40, I call, BB calls, UTG calls.

Turn ($200) offsuit J

checked to cutoff who bets $150, I raise to $350, BB folds, UTG pushes in for about $450, cutoff calls, I call the extra $100 (can't raise cause not a complete bet).

River blank, CO checks, I push in, he folds.

What's a better way to play the hand (specifically how much should I have raised the turn when I do slowplay there). Also, how often is this a slowplay (if ever) in an unraised pot?

My raises were getting a lot of respect and the players were prone to fall for a trap at this table - that's part of the reason I did it.