1In a large bowl prepare the Jell-O according to package directions. Add the crushed pineapple, and cranberries,stirring with a fork to break up the sauce. Chill until partially set about 40 minutes; pour into a ring mold.
In a medium bowl combine cream cheese, sugar and sour cream. When the Jell-O has set completely, unmold it onto a serving plate. Place dressing in a bowl in the center of the ring. Sprinkle dressing with walnuts for presentation.