in essence with this low level of viremia you do not require treatment and the chances of vertical and sexual transmission are extremely low. If your sexual partner has protective antibody to HBV as acquired from the immunization series, then there is negligible risk.
you should flag all diagnostics for appropriate answer for yourself, rest in case you marry any body he must be immunized and confirmed with antibody titres, Well vertical chances are quite less but "Chances are there", by ensuring few measures you can avail precautions for the sake of safe future family life.
Rgds