i think it’s looking good 
root@Pi-hole:~# journalctl -u unbound.service
-- Journal begins at Tue 2022-09-27 06:04:59 PDT, ends at Tue 2022-09-27 06:05:55 PDT. --
Sep 27 06:05:00 Pi-hole systemd[1]: Starting Unbound DNS server...
Sep 27 06:05:01 Pi-hole systemd[1]: Started Unbound DNS server.
Sep 27 06:05:01 Pi-hole unbound[409]: [409:0] info: start of service (unbound 1.13.1).
root@Pi-hole:~# dig @127.0.0.1 -p 5335 google.com
; <<>> DiG 9.16.33-Debian <<>> @127.0.0.1 -p 5335 google.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35775
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;google.com. IN A
;; ANSWER SECTION:
google.com. 300 IN A 142.251.215.238
;; Query time: 28 msec
;; SERVER: 127.0.0.1#5335(127.0.0.1)
;; WHEN: Tue Sep 27 06:06:19 PDT 2022
;; MSG SIZE rcvd: 55