Jalapeño and Sweet Corn Chowder

Name: Jalapeño and Sweet Corn Chowder
Ingredients: 1 small sweet onion, peeled and chopped; 1 tablespoon olive oil; 6 ears sweet corn, husk and silk removed and cut from the cobb; 2 fresh jalapeños, seeded and chopped; 2 cups chicken broth; 1 teaspoon cumin; 1 teaspoon garlic powder; ½ teaspoon paprika; ½ teaspoon salt; ½ teaspoon pepper; 4 ounces reduced fat cream cheese (room temperature so it melts well); ⅓ cup heavy cream; 1½ cup shredded sharp white cheddar cheese (Cabot New York Vintage is my favorite)