Warm and Comforting Butternut Squash and Chicken Pozole—in Under 30 Minutes

Name: Warm and Comforting Butternut Squash and Chicken Pozole—in Under 30 Minutes
Ingredients: 2 Tbsp olive oil; 1 white onion, finely diced (about 1 3⁄4 cup), divided; 1 lb 1/2-inch cubes butternut squash; 1/4 tsp kosher salt; 1 qt. low-sodium chicken stock; 2 to 3 Tbsp finely chopped chipotle chiles (from a 7-oz. can chipotle chiles in adobo sauce); 1 15 oz can white hominy, drained and rinsed; 1 8-oz boneless skinless chicken breast, diced; 1 cup chopped lacinato kale leaves (from 1 bunch); Plain full-fat Greek yogurt or sour cream, for topping; Tortilla chips, for serving