

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 UTG, and your holding is [Ace of Diamond and Jack of Diamond].
Before the flop, UTG raise 2.0 chips, and BTN call. Assume that all other players that is not mentioned folded.
The flop comes Jack Of Heart, Four Of Heart, and Five Of Spade, then UTG check, and BTN check.
The turn comes King Of Heart, then UTG bet 6 chips, BTN raise 17 chips, and UTG call.
The river comes Six Of Heart, then UTG bet 20 chips, and BTN raise 81 chips.
You currently have One Pair(One Pair, Jacks with Ace, King, Six kickers).

Now it is your turn to make a move.
To remind you, the current pot size is 140.0 chips, and your holding is [Ace of Diamond and Jack of Diamond]. You currently have One 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: