Video doorbell 3 and chime pro

I have my router right beside the front door and just installed my very first ring device a video doorbell 3. As this is for use at my elderly mothers house, I also bought a chime pro as using a smart phone or tablet would be beyond her. However, she will still need some kind of doorbell chime to alert her someone is at the door (I intend to monitor the video/audio aspect myself away from home). The trouble is, the chime pro is positioned beside my mum’s chair which is 15 foot away from both the router and the front door and video doorbell. Both the chime pro and the doorbell have excellent signal strength/connection to my wifi. Unfortunately, it appears that to use the chime pro, the doorbell has to connect to the chime pro’s wifi network. This is where the issues start, after trying 3 times to connect the doorbell to the chime pro it finally connected, however the signal strength was appalling. Aside from the fact it’s a complete joke a wifi extender cannot extend 15 foot through one wooden internal door and the front door to the door bell, does anyone know if the chime pro can operate purely as a chime whereby both the chime pro and the doorbell connect to my home wifi network and work that way? If not, I’ve bought an expensive 3 pin plug that lights up lol I am assuming the standard chime does not have these connectivity issues?