Butternut Squash Hominy Soup

Name: Butternut Squash Hominy Soup
Ingredients: 3 tablespoons extra-virgin olive oil; 1 small red onion, chopped; 4 cups cubed peeled butternut squash (about 1 pound 6 ounces), large pieces cut in half; 2 1/4 teaspoons ground cumin; Kosher salt and freshly ground pepper; 1 large canned chipotle chile pepper, plus 1 tablespoon adobo sauce; 1 1/4 cups frozen fire-roasted corn, thawed; 1 29-ounce can white hominy, drained; 1 15-ounce can black beans, drained and rinsed; 1/3 cup sour cream; 3 small radishes; 1 5-ounce package baby arugula