Boil pasta in large pot of salted water until al dente, drain. In large skillet, brown and crumble ground chuck until fully cooked, drain fat and return to pan. Pour cooked pasta on top of meat, then drizzle on olive oil. Pour on jar of sauce, salt, garlic powder and Italian seasonings. Stir. Add cheese and sour cream. Stir over low heat until cheese is melted and all ingredients are combined. Taste and add salt and pepper, if necessary. Serve with parmesan or additional mozzarella, if desired.