Southwestern Pasta Salad

2 cups rotini pasta, cooked and rinsed
1 can (540 ml) black beans, drained and rinsed
1 can (341 ml) whole kernel corn, drained
1 cup red bell pepper, diced
1 cup red onion, diced
1 cup cherry tomatoes, halved
1⁄2 cup cilantro, chopped
2 cups grilled chicken, chopped
1 cup ranch dressing

In a large bowl, add pasta, beans, corn, pepper, onion, tomato, and chicken. Stir to combine. Add cilantro and ranch dressing, toss well. Cover bowl and refrigerate for at least one hour and serve.