Heat grill. Place pork chops in resealable food storage plastic bag. Sprinkle with seasoning mix from dinner kit; add water. Turn and rotate bag to mix and coat chops. Let stand at room temperature for 10 minutes.
When ready to grill, place pork chops on gas grill over medium heat or on charcoal grill 4 to 6 inches from medium coals. Cook 13 to 16 minutes or until pork is no longer pink in center, turning once. Heat gordita shells in microwave as directed on package.
To serve, cut pork across grain into 1/4-inch-thick strips. Fill each gordita shell with 5 to 6 strips of pork. Top each with cheese, lettuce, ranch sauce from dinner kit, tomato and red sauce from kit.