4 year old border collie / Aussie mix

Have a 4 year old border collie / Aussie mix female that needs to fine a new home she is fixed.she is a blue merle with heterochromia. Great dog kenn trained , She has been a raised around kids and cats. My health has changed and need to find a home for her that can give her more attention then I can as it's very hard for me to walk now