Balsamic Chicken Salad Recipe

Ingredients

• 1/3 cup balsamic vinegar
• 1 tablespoon Dijon mustard
• 1/4 teaspoon seasoned salt
• 1/4 teaspoon sugar
• 1/8 teaspoon black pepper, freshly ground
• Boneless, skinless chicken breast halves (12 oz)
• 1 pound sweet onion, cut into 12 wedges
• 8 cups (6 oz) mixed baby salad greens
• 2 cups seedless grapes
• 2 tablespoons fresh basil, thinly sliced