John 1:1 is the most famous but it is translated various ways and as I have posted The Book of John itself says its purpose is that you might believe Jesus is the Son of God. Anyway, I have learned there is no point in arguing with most Trinitarians. They do not want to see.
The term son of God is used various ways in the Word. Angels are sons of God in glory. All men are sons of God by Creation, which does not make them redeemed. Christians are Sons of God by Redemption. In John 3:16 we read ,Jesus is the only Son of God. The Greek for only-begotten is monogenes, and translated that is mono (one) and genes (kind). Jesus is the unique Son of God, deity from deity.
The term son of God is used various ways in the Word. Angels are sons of God in glory. All men are sons of God by Creation, which does not make them redeemed. Christians are Sons of God by Redemption.
***That rings a bell. Do you have further reference & development of this perspective? Scripture references?