Help please!!

Rachel-🧒-🤰

So my 7 n half month old has never been a good sleeper!!! He jus got 2 teeth and so now we have been going thru the sleep training(CIO). For his naps and bedtime he now goes to sleep by himself after about 5 mins after I lay him down...but he continues to wake up every 2 hours thru the night and will not take his paci n go back to sleep!! He wants to nurse!!! What do I do??