If the baby is passing urine 4-6 times a day , then feeding is adequate. Still try feeding atleast 50ml every 2-3 hours , and more in between if baby demands.
Keep in mind few basic things
1. Keep baby warm
2.Maintain proper hygiene
3. Proper breastfeeding technique
Next Steps
Follow up on G6PD report
Consult if jaundice persists after a week