If you dreamed that your brother was riding a horse: Because, there may be people who are opposing or trying to prevent you, you may lose someone you care about or make you angry because of things like apathy, indifference or boredom. To see that your brother is riding a horse in your dream indicates that your dreams will come true soon, you will reach your goals and you will do good deeds that will add meaning to your life with the opening of the closed destiny.