Seared Digby Scallop Caesar Salad With Low Fat Dressing

Name: Seared Digby Scallop Caesar Salad With Low Fat Dressing
Ingredients: 2 tablespoons extra virgin olive oil; 1⁄4 cup red wine vinegar; 1⁄2 lemon, juice of, a; 1 teaspoon sugar; 2 teaspoons Worcestershire sauce; 3 garlic cloves, crushed; 1 teaspoon Dijon mustard; 1 anchovy fillet, minced; 2 tablespoons low-fat sour cream; 1⁄2 teaspoon fresh cracked pepper; 2 washed romaine lettuce hearts, torn into bite sized pieces; 2 teaspoons grated parmesan cheese; low fat crouton; 1 large scallops