Newborn with bilirubin value of 8.28 is normal. So, nothing to worry. But, because you have OB blood group incompatibility, the chances of jaundice risk to increase is there for next few days. So, please keep a watch on baby skin and eyes for yellow discolouration. Also, you can expose your baby to direct sunlight for 10-15 min in morning everyday for next 2-3 weeks.
Next Steps
keep a watch on baby skin and eyes yellow discolouration and make sure to breastfeed your baby every 2-3 hourly.