

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 [Ace of Diamond and Four of Diamond].
Before the flop, HJ raise 2.0 chips, CO raise 6.5 chips, and HJ call. Assume that all other players that is not mentioned folded.
The flop comes Ace Of Club, King Of Spade, and Seven Of Diamond, then HJ check, CO bet 3 chips, HJ raise 10 chips, and CO call.
The turn comes King Of Diamond, then HJ check, CO bet 37 chips, and HJ raise 83 chips.
You currently have Two Pair(Two Pair, Aces and Kings with Ten kicker).

Now it is your turn to make a move.
To remind you, the current pot size is 154.0 chips, and your holding is [Ace of Diamond and Four 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: