Needing to restart DNS Resolver frequently

Thanks so much, a couple more questions:

  1. Is there any reason why I can’t just disable the rate limit on the Pi-hole? Will that cause issues down the line or something?

  1. Doesn’t look like I can configure my router’s DHCP server (Nighthawk RS280) - but I found an article on these forums just saying to disable my router’s DHCP server and use the Pi-hole’s. Is there any issue with this route, either? Article: How do I use Pi-hole's built in DHCP server (and why would I want to)?

My router’s DHCP settings: