In a Dutch oven, heat oil over medium heat; saute onion until tender, about 5 minutes. Add chiles, garlic, jalapeno and cumin; cook 1 minute. Stir in tomato sauce, tomatoes and broth. Bring to a boil; reduce heat. Stir in chicken., Simmer, uncovered, 10 minutes. Add cilantro, lime juice, salt and pepper. Top servings with chips and cheese.