Pork Chops with Tomato Gravy

Name: Pork Chops with Tomato Gravy
Ingredients: Salt and pepper; 1/2 teaspoon paprika; 1/2 teaspoon sugar; 1/4 teaspoon cayenne pepper; 4 (8- to 10-ounce) bone-in pork rib chops , 1 inch thick, trimmed; 4 slices bacon , chopped fine; 2 tablespoons vegetable oil; 1 onion, chopped fine; 1 celery rib , chopped fine; 1 garlic clove , minced; 3 tablespoons all-purpose flour; 1 tablespoon tomato paste; 1 cup low-sodium chicken broth; 1 (8-ounce) can tomato sauce; 1 teaspoon minced fresh thyme; 1 bay leaf