Cajun Chicken Salad for Two

Ready In: 20mins Ingredients: 11 1⁄4 cup Dijon mustard 2 tablespoons olive oil 2 tablespoons wine vinegar 2 tablespoons honey salt and pepper mixed salad green (Boston, Red Leaf, Green Leaf, Romain, etc.) 3 medium plum tomatoes, thinly sliced 1 small red onion, thinly sliced cajun seasoning (many recipes on Recipezaar) 2 chicken breast halves