CNN reports Naya Rivera's ex-husband Ryan Dorsey posted a heartbreaking tribute to the actress on Instagram.<br />Rivera died at age 33 in a boating accident at Lake Piru, California.<br />The actress was best known for her role on the hit dramedy 'Glee.'<br />She leaves behind their son, 4-year-old Josey Hollis Dorsey. The boy was found unharmed in the pontoon boat from which Rivera disappeared.<br />I'm thankful for our times and our journey that brought us together and gave us the sweetest and kindest smart little boy we could ever hope for. Ryan Dorsey Instagram post