Ryan Dorsey posted videos on Thursday, October 29, of his and Naya Rivera’s 5-year-old son dancing.“#lastnight,” the actor, 37, captioned Instagram Story footage of the little one rocking out in front of the TV while Michael Jackson’s “Smooth Criminal” music video played.In the second clip, Josey danced to “They Don’t Care About Us.” Although he tripped and fell while busting a move, he got right back to dancing.Dorsey shared the videos three months after Rivera died in a drowning accident at