

You are a specialist in playing 6-handed No Limit Texas Holdem. The following will be a game scenario and you need to make the optimal decision.

Here is a game summary:

The small blind is 0.5 chips and the big blind is 1 chips. Everyone started with 100 chips.
The player positions involved in this game are UTG, HJ, CO, BTN, SB, BB.
In this hand, your position is CO, and your holding is [King of Heart and Queen of Diamond].
Before the flop, CO raise 2.3 chips, and BB call. Assume that all other players that is not mentioned folded.
The flop comes Jack Of Spade, Eight Of Diamond, and Three Of Club, then BB check, and CO check.
The turn comes King Of Diamond, then BB bet 6 chips, CO raise 17 chips, and BB call.
The river comes Eight Of Heart, then BB check, CO bet 29 chips, and BB raise 80 chips.
You currently have Two Pair(Two Pair, Kings and Eights with Queen kicker).

Now it is your turn to make a move.
To remind you, the current pot size is 148.0 chips, and your holding is [King of Heart and Queen of Diamond]. You currently have Two Pair.

Decide on an action based on the strength of your hand on this board, your position, and actions before you. Do not explain your answer.
Your optimal action is: