Ring Video Doorbell 3 – What resistor to use?

I installed a Ring Video Doorbell 3 to replace a doorbell that worked a digital chime. When the Ring didn't set off the chime, I inserted a resistor. That worked one time, then the resistor must have failed. What is the exact resistor I need to install on my Ring Video Doorbell 3 so that both the Ring device and my digital chime work? And where do I buy it? The $10 Wirewound Resistor promoted by Ring isn't the answer. Thanks! Chimeless in Gurnee