VIDEO : You'll Need Tissues After Reading Chad Michael Murray's Touching Letter to His Late Dog

It's a difficult time for Chad Michael Murray and his family: the 33-year-old's dog of 15 years passed away on Monday. His heartwarming message is as follows: My best bud & 1st born son Joe, Thank you for everything you've ever done for me. Even the dogs at the dog park thank you for keeping the peace. We Love You, Chad, Sarah & Baby Murray." Most recently, the former One Tree Hill star shared a touching photo of Joe and his other dog, Clark.