No-Bake Cheesecake Recipe Needs Some Advice

I've recently gone on a "healthier" home-made dessert kick and I want to tackle a no-bake cheesecake next but I'm fairly new to this and need some advice. I want to do Chocolate cheesecake bites using a regular sized muffin tin, hoping I can make 12 cheesecake bites with this recipe. Let me know what you think or how I could improve.

Crust:

8 Full sheets of low-fat graham crackers.

3 tablespoons of butter.

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Filling:

8oz. package of fat free cream cheese.

1 cup fat free Greek Yogurt

1 box (~1.4 oz.) fat-free, sugar-free jello instant chocolate pudding

1/2 cup of skim milk (to help mix the pudding)

1/2 cup of confectioners sugar

and a few ounces of dark chocolate chips mixed in

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Any suggestions?

bon appetit