Melt butter in a large saucepan over low heat. Stir in flour all at once, and cook until bubbly. Stir in crab seasoning and Worcestershire sauce. Gradually stir in chicken broth, wine, and half-and-half.
Prepare gravy according to package directions and stir into soup. Thin with more half-and-half if necessary. Simmer 10 minutes, stirring occasionally.
Stir in crabmeat. Season with hot sauce, salt, and pepper. Simmer 2 minutes, or until heated through.