

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 Club and Jack 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 Ace Of Diamond, Eight Of Diamond, and Three Of Diamond, then BB check, and CO check.
The turn comes Nine Of Diamond, then BB bet 6 chips, and CO call.
The river comes Ten Of Diamond, then BB check, CO bet 13 chips, and BB raise 41 chips.


Now it is your turn to make a move.
To remind you, the current pot size is 71.0 chips, and your holding is [Ace of Club and Jack of Diamond].

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: