Chicken Ranch Chili

extra-virgin olive oil

large onion, chopped

garlic cloves, minced

oregano

ranch seasoning mix

shredded rotisserie chicken

chicken broth

Great Northern beans, drained

chopped green chilies

kosher salt

Freshly ground black pepper

Lime wedges, for serving

Sour cream, for serving

Shredded cheddar cheese, for serving

Cilantro leaves, for serving