

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 Heart and Eight of Spade].
Before the flop, CO raise 2.3 chips, and BB call. Assume that all other players that is not mentioned folded.
The flop comes Ten Of Heart, Three Of Spade, and Two Of Diamond, then BB check, and CO check.
The turn comes Five Of Diamond, then BB check, CO bet 4 chips, BB raise 13 chips, and CO call.
The river comes Three Of Club, then BB bet 16 chips, and CO raise 58 chips.
You currently have One Pair(One Pair, Threes with Ace, Ten, Eight kickers).

Now it is your turn to make a move.
To remind you, the current pot size is 105.0 chips, and your holding is [Ace of Heart and Eight of Spade]. 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: