Not feeling like having sex

It's been a year since baby was born and probably had sex 6 times? I think breastfeeding caused vaginal dryness for me. Also generally exhausted from the daily grind. I feel bad for my husband but just doesn't feel good and not feeling it. Should I try harder? Does this go away / return to more normal? FYI more normal for us prior to baby was still like sex every other week if even...