

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 [Nine of Diamond and Eight of Heart].
Before the flop, HJ raise 2.0 chips, and BB call. Assume that all other players that is not mentioned folded.
The flop comes Four Of Spade, Four Of Heart, and Three Of Heart, then BB check, HJ bet 1 chips, and BB call.
The turn comes Jack Of Heart, then BB bet 5 chips, HJ raise 16 chips, and BB call.
The river comes Eight Of Club, then BB check, and HJ bet 29 chips.
You currently have Two Pair(Two Pair, Eights and Fours with Jack kicker).

Now it is your turn to make a move.
To remind you, the current pot size is 66.0 chips, and your holding is [Nine of Diamond and Eight of Heart]. 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: