Cook ravioli according to package instructions; reserve 1 cup pasta water.
Heat oil in a large pan, sauté onions until browned. Add garlic and cook 1 minute.
Add in butter, sun-dried tomatoes, tomato paste + seasoning blend. Saute for about 1 minute to cook off the tomato paste and toast the seasonings. Add chicken stock and cream.
Add ravioli, Parmesan, and spinach. Toss well, loosening with pasta water if needed.