That sounds good. But I'm afraid I have to disagree with your carb count. I estimate it (using MyPLAN) to be more like 4 carbs.
The packet of Splenda alone has 1, the cream cheese 0.8, cream 0.2 and the cocoa 1.9.

It's still pretty low carb, just a bit more than 1 carb per serving.

Rosebud