When @alexdwong first hit the stage on “So You Think You Can Dance,” his power and precision made him an instant standout. But after back-to-back Achilles injuries, he had to relearn not just how to move — but how to live without the art form that defined much of his life. On October 21, Alex is joining a lineup of trailblazing dancers and athletes for “Voices Rising: Asian Americans in Motion” — an evening of performances and conversation celebrating achievement, resilience, and representation.