

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 BTN, and your holding is [Ten of Diamond and Nine of Heart].
Before the flop, BTN raise 2.5 chips, and BB call. Assume that all other players that is not mentioned folded.
The flop comes Five Of Club, Five Of Diamond, and Ace Of Heart, then BB check, BTN bet 2 chips, and BB call.
The turn comes Five Of Spade, then BB check, BTN bet 11 chips, and BB call.
The river comes Eight Of Club, then BB check.


Now it is your turn to make a move.
To remind you, the current pot size is 29.0 chips, and your holding is [Ten of Diamond and Nine of Heart].

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: