Cook asparagus as directed on package.
Meanwhile, in large saucepan, combine soup mix and water. Bring to a boil. Reduce heat to low. Add pasta; simmer 8 to 10 minutes or until pasta is tender, stirring occasionally.
Add asparagus, chicken and sour cream; stir gently to mix. Cook 3 to 5 minutes or until thoroughly heated, stirring occasionally. Sprinkle with cheese.