It stands for what would Mr Rogers do? The intention is to ask one's self if Mr Rogers was in a similar situation, what action would he take.
It is a play on the acronym "WWJD" and often used by
non-religious
people or
people who do not want to come across as haughty.
The
lady is small dog crazy and
everything I could think of to say would probably
trigger her so I asked myself WWMRD?
I gave her a big hug and told her that it was okay to be afraid. And when we are afraid we have to look for the helpers.