Ring is stealing $17 from my account

The short version is last year , I bought a 1 year ‘plan’ from Ring Online , for about $XXXX .This year, I canceled my plan . … Yet , on the 15th , Ring took $XXXX out of my ATM account without my authorization . Luckily , I noticed the charge in the middle of the night , a day later .My bank says to it is too early in the ‘processing stage’ to dispute the charge …to wait until the Processing is over, then dispute button will appear online .On the Ring dashboard, I did find the Cancel button and clicked it .Now my bank says Ring is issuing a refund of $XXXX .Ummmm… that is $XXXX for ‘two days of service’ , even thou I had canceled it already .Has anyone else got a ripped-off charge for cancelling Ring’s service ??