The son of disgraced YouTuber Ruby Franke, who was sentenced to up to 60 years in prison on multiple felony child abuse charges, joked about the ordeal in a TikTok video. Three days before Franke’s sentencing, Chad Franke, one of Franke’s six children, shared the video of him and his girlfriend with a caption that read, “You’d love my mom!” In response, Chad is seen smiling and dancing as his caption reads, “My mom’s in prison.” Franke’s son and daughter, Chad and Shari, were both present at Utah’s 5th District as their mother tearfully apologized for the abuse inflicted on them in what prosec…