@sam Can you change on your router settings DNS resolver? Set it to Cloudflare's 1.1.1.1 or Quad9's 9.9.9.9, your ISP shouldn't be able to see your requests.
@sam
Yes, but setup seems little advanced for me.
Here is link that might lead you to what are you looking for.
https://forum.opnsense.org/index.php?topic=9197.msg41265#msg41265
@nikolal
Thanks!