In a saucepan with boiling water, cook the quinoa according to package directions until tender. Drain and set aside to cool.
Slice the radishes very thinly and place in a bowl with the apple cider vinegar. Set aside until you are ready to serve.
When the quinoa has cooled, divide it between two bowls. Top the quinoa with the avocado, cherry tomatoes, cucumber, kidney beans, pickled radish and cucumber.