Is it okay if I want my family member to put down a crippled old failing dog?
Do you want to put down this old dog or does your family member?
I believe this is my family member's intention.
Sometimes dogs can grow old and suffer from illness. If you think your family member is on the same page, try talking to them and comforting them during this time since putting a dog to sleep can be a very painful and traumatizing experience.
I'm going to remove it regardless of what this family thinks.
You need to get your families permission first. Talk to them face to face and tell them why the reasons why you think the dog should be put to sleep. Show them that it is better to end its suffering and that you are doing it to ease the heartache of everyone.