Combine the brown sugar, salt, chili powder, smoked paprika, cumin, onion powder, garlic powder, and oregano in a small bowl.
1½ tablespoons brown sugar, 1 teaspoon kosher salt, 1 teaspoon chili powder, ½ teaspoon smoked paprika, ½ teaspoon ground cumin, ½ teaspoon onion powder, ½ teaspoon garlic powder, ½ teaspoon dried oregano