Melt chocolate chips in 2-quart saucepan over low heat, stirring frequently. Stir in remaining 3 tablespoons wine and reserved 1/2 cup cherry syrup until smooth; remove from heat. Beat in butter, a few pieces at a time, using wire whisk, until melted. Refrigerate about 45 minutes or until thick enough to spread. Spread chocolate mixture over top and sides of dessert. Store covered in refrigerator.