In this case, you have the alternative to disable the DHCP on your router and use Pi-hole as DHCP server.
You can also manually configure each individual device to use Pi-hole IP as DNS server, but this is usually the last alternative.
In this case, you have the alternative to disable the DHCP on your router and use Pi-hole as DHCP server.
You can also manually configure each individual device to use Pi-hole IP as DNS server, but this is usually the last alternative.