Preheat oven to 425 degrees. In a large bowl, use a fork to cut the sour cream into the Bisquick. Add Sprite and stir the dough just until evenly moistened.
Turn dough onto a clean cutting board, floured with some Bisquick dough. Knead three or four times, then press the dough to about 1 inch thickness. Cut into desired shapes.
Place melted butter into a 9x9 baking pan. Set cut biscuits into the butter. Bake for 11-14 minutes, or until light golden brown. Remove and serve piping hot! Enjoy!!