

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 CO, and your holding is [Ten of Spade and Nine of Spade].
Before the flop, CO raise 2.3 chips, and BTN call. Assume that all other players that is not mentioned folded.
The flop comes Seven Of Diamond, Six Of Club, and Four Of Heart, then CO bet 2 chips, BTN raise 9 chips, and CO call.
The turn comes Five Of Heart, then CO bet 30 chips, and BTN raise 88 chips.
You currently have Straight(Straight, Three to Seven).

Now it is your turn to make a move.
To remind you, the current pot size is 142.0 chips, and your holding is [Ten of Spade and Nine of Spade]. You currently have Straight.

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: