Ty Borden is a central character in the Heartland series, which is a Canadian television drama series that premiered on CBC in 2007. The series is based on a series of novels by Lauren Brooke and follows the lives of the Fleming family, who live and work on a horse ranch in Alberta, Canada. Ty Borden is a young man who is hired as a stable hand at Heartland, and over the course of the series, he becomes an integral part of the family.

Over the years, Ty has had a significant storyline in the Heartland series, including his relationship with Amy, his struggle with PTSD after being kidnapped, and his pursuit of a career as a veterinarian. In season 14 of the series, Ty’s character left the show, which left many fans wondering if he would be returning for season 16.
As of my knowledge cut-off in September 2021, CBC had not officially announced whether or not Ty would be returning to the series for season 16. However, it is worth noting that Heartland has a history of bringing back characters who have left the show. For example, Mallory Wells, a character who left the show after season 6, returned in season 10 for a guest appearance. Therefore, it is possible that Ty could make a return to Heartland in the future.
It is also worth noting that Heartland has been renewed for a 16th season, which will air on CBC in Canada. The series has a large and dedicated fan base, both in Canada and internationally, and has been praised for its heartwarming storylines and stunning scenery. The series has won numerous awards, including the Canadian Screen Award for Best Drama Series.
In conclusion, while there has been no official confirmation on whether Ty will be returning to Heartland in season 16, the series has a history of bringing back characters who have left the show, and it is possible that Ty could make a return in the future. Fans of the series will have to wait for official announcements from CBC or the Heartland production team to learn more about what is in store for the upcoming season.