Remove the biscuits from their packages; seperate into individual biscuits.
Using your hands, flatten each biscuit into a 2 1/2 to3 inch round of dough. Unwrap the chocolate kisses. Place a chocolate kiss, point side up, in the center of each round of dough. Bring the edge of the dought up and around the chocolate kiss to form a ball. Pinch the edge of the dough together to seal firmly.
In a small mixing bowl combine the sugar and ground cinnamon; stir till well combined. Dip each ball of dough into the melted butter, then roll it in the sugar-cinnamon mixture. Arrange the coated balls of dough in a greased 6 1/2 cup oven-proof ring mold.
Form two layers, positioning the balls of cough in the second layer between the balls of dough in the first layer.
Bake in a 375 oven about 20 minutes or till golden brown. Cool 1 minute on wire rack. invert onto a serving plate; remove ring mold. Serve coffee cake warm. Makes 1 ring.