

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 BB, and your holding is [Ace of Diamond and Four of Diamond].
Before the flop, UTG raise 2.0 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, UTG bet 1 chips, BB raise 5 chips, and UTG call.
The turn comes King Of Diamond, then BB check, UTG bet 11 chips, BB raise 35 chips, and UTG call.
The river comes Ace Of Heart, then BB check, and UTG raise 58 chips.
You currently have One Pair(One Pair, Aces with King, Jack, Eight kickers).

Now it is your turn to make a move.
To remind you, the current pot size is 137.0 chips, and your holding is [Ace of Diamond and Four 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: