M.R.
I don't know of any Infant Chiropractor but just wanted to give you my 2 cents. My youngest which turned 3 in May numerous of ear infections(Evry time we turned around)He was on antibotics just about every month. Finally we put tubes in his ears at 13 months and this day he has only had 1 VERY MILD ear infection.
He was in/out in 15 min and was walking/playing the Very next day. The hardest part was right after cause everything seemed louder to him which scared him but other than that no prob.
Good Luck
M.