Heat oven to 400° F. Grease large cookie sheet. Cut dough in half; place on greased cookie sheet. Press each dough piece into 6-inch round. Bake 10 to 12 minutes or until crust begins to brown.
Spread each crust with spinach dip. Top with artichoke hearts and tomatoes; sprinkle with cheese. Bake an additional 8 to 10 minutes or until cheese is melted and crust is golden brown.