Lemon, Yogurt, and Dill Chicken Thighs with Roasted Veggies
1 large onion, cut into 1/2-inch pieces 1 small lemon, zested and juiced 1 teaspoon dried dill weed 1 ½ tablespoons vegetable oil 2 large carrots, cut into 1/2-inch chunks 3 small russet potatoes, cut into 1/2-inch we… 4 (5 ounce) boneless, skinless chicken thighs 5 large radishes, trimmed and cut into wedges ¼ teaspoon fresh cracked black pepper, or to … ¼ teaspoon freshly ground black pepper ½ cup whole-milk plain Greek yogurt ½ teaspoon garlic powder ½ teaspoon kosher salt ½ teaspoon kosher salt, or to taste ½ teaspoon onion powder