In 6-quart ovenproof Dutch oven, heat 2 tablespoons oil over medium-high heat. Add half of ribs; cook until brown on all sides. Repeat with remaining ribs. Remove ribs to plate. Add onion and garlic to Dutch oven; cook over medium heat 3 minutes or until onion is tender. Add beer, stirring to loosen brown particles. Stir in tomatoes, lime juice and chipotle chile. Heat to boiling. Return ribs to Dutch oven.