Smoky Cauliflower Chili in Roasted Squash Bowls

Name: Smoky Cauliflower Chili in Roasted Squash Bowls
Ingredients: 1 medium-sized cauliflower florets, diced; 1 Tablespoon olive oil; 2 Teaspoons chili powder; 1/2 Teaspoon smoked paprika; 4 acorn squash, halved and seeded; 1 Tablespoon canola oil; 1/2 Cup red onion, diced; 1 Cup red bell pepper, diced; 1/2 Teaspoon kosher salt; 2 cans (fifteen and a half ounces) beans, such as BUSH'S Black Chili Beans; 2 cans (fifteen ounces) diced tomatoes; Sour cream, for topping; shredded Cheddar cheese, for topping; Chives, for topping