Fresh Corn, Bean and Rice Salad

A summer version of beans and rice. Really tasty, good for you, and easy to make.  (Revised September 2, 2020)

Ingredients:
One cup rice, cooked like this, then cooled. Basmati is good for this. Brown rice is great too.
3 small fresh corn, kernels sliced off. Fresh corn does not need to be cooked.
One can black beans, rinsed and drained
One can red kidney beans, rinsed and drained.
On half red onion, chopped
Half a bell pepper, your choice of color(s)
Half a bunch of cilantro, chopped
Dressing:
1/2 cup olive oil
1/4 cup red wine vinegar
One minced garlic clove
One tablespoon sugar, one teaspoon each of salt and Dijon mustard, fresh ground pepper

Directions:
Whisk together the dressing ingredients.
Prepare the vegetables in a large bowl, add the dressing, and chill until ready to serve.