Raspberry Chicken Salad with Honeyed Walnuts and Gorgonzola

Name: Raspberry Chicken Salad with Honeyed Walnuts and Gorgonzola
Ingredients: For the salad dressing; 1 cup fresh raspberries; 1 teaspoon Dijon mustard; 1/4 cup raspberry vinegar; 1/2 cup honey; 1 cup vegetable oil; 1/4 teaspoon salt; For the salad; 1 cup whole walnuts; 2 tablespoons honey; 2 tablespoons granulated sugar; 3 boneless, skinless chicken breast halves (about 1.5 pounds); 1 head Boston lettuce, leaves torn; 1 head Romaine lettuce, leaves torn; 1/4 cup very thinly sliced red onion; 1 cup crumbled gorgonzola cheese; The salad dressing; Water to thin the dressing if desired