Spicy Chicken Kabobs with Vegetable Rice

Name: Spicy Chicken Kabobs with Vegetable Rice
Ingredients: 2 tablespoons olive oil; 4 teaspoons lemon juice; ⅛ teaspoon salt; ⅛ teaspoon dried thyme; ⅛ teaspoon ground black pepper; 1 medium zucchini; 1 pound skinless, boneless chicken breast, cut into 1-inch pieces; 1 medium red onion, cut into 1/2-inch wedges; 24 red and/or yellow cherry tomatoes; Nonstick cooking spray; ¾ cup chopped red sweet pepper (1 medium); 2 cloves garlic, minced; 4 cups chopped kale; ¼ cup reduced-sodium chicken broth; ¾ teaspoon Cajun seasoning; 1 ⅓ cups cooked brown rice