Heat oven to 450° F.
Remove meat from rotisserie chicken and shred; set aside. Discard bones.
Cut biscuits into quarters; set aside.
In saucepan, stir soup, milk, sour cream, chicken, vegetables, basil and pepper. Cook until boiling.
Spoon chicken mixture into baking dish. Arrange quartered biscuits over filling.
Bake 10-12 minutes, or until biscuits are golden brown.