Tor and/or VPN really have no effect on privacy in terms of using with neutrino. Read more: https://docs.zeusln.app/for-users/embedded-node/privacy It only add more latency... for nothing. More latency = more intents to connect to neutrino peers. That means a possible ban from your neutrino peers. That means no sync.

When you have such connection issues, is simple: read the LND logs. Are very explicit of what is going on.