Worcestershire Burgers with Gouda, Mushrooms and Ranch Dressing

Name: Worcestershire Burgers with Gouda, Mushrooms and Ranch Dressing
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: American
Ingredients: 1 1/2 pounds ground beef chuck; 1/4 cup worcestershire sauce; 3 tablespoons grated onion; 1 tablespoon vegetable oil; 4 slices Gouda; 3 tablespoons butter; 1 pound white mushrooms (sliced); 1/4 cup chopped onion; 1/3 beef broth; 1/2 cup sour cream; 2-3 tablespoons buttermilk; 1/8 cup finely chopped dill (parsley, chives and thyme, or 1 1/2 teaspoons ranch seasoning); 1/2 tablespoon fresh lemon juice; 1/2 teaspoon hot sauce; 1 clove garlic (grated); 4 hamburger rolls