Preheat oven to 350F
Grease a 8x8 baking dish and set aside.
Place each peach slice on the larger end of an unrolled crescent roll dough portion. Fold the corners in, and roll up.
Place each dough covered peach slice in the prepared pan.
In a 2 cup liquid measuring cup, microwave the butter until melted.
Stir in the sugars, vanilla, soda and the juice from the canned peaches.
Sprinkle the dumplings with cinnamon to taste. Drizzle over the liquid mixture to cover all of your dumplings.
Bake for 40 minutes.