Preheat oven to 425°F. Brown ground beef in large skillet on medium-high heat. Drain fat. Stir in Seasoning Mix, tomato paste and water. Bring to boil. Reduce heat to low; simmer 10 minutes, stirring occasionally. Stir in corn.
Place pizza crust on baking sheet. Spoon beef mixture over top. Sprinkle with cheese.
Bake 12 to 15 minutes or until cheese is melted. Sprinkle with green onions.