PLO8 Hand

Here's a hand I played last night and I'm wondering about my opponents play and how they could have protected their hands. The player acting before me is a tight, straight-forward player (TP). The player on the button is loose but knowledgable. Both players have me covered by a bit.I'm a very tight player. I'll post my hand seperately.


Button posts the $5 blind in this game ($2 ante). TP limps with A-2-K-K (ns), I limp, 3 others call and button checks with 9-9-x-x. 6 see the flop of 6c-8s-9c.


It's checked around to the button who bets $50. TP calls, I decide to call and we're 3 handed to see the 5s on the turn.


TP checks, I bet $150 button thinks and calls TP calls. River is the Ah.


TP checks, I bet my last $250, button folds and TP calls.


What is your opinion on how the TP played the flop and should he have called the turn? Should the button have raised the turn?