Relationship for 1yr & 8months or being single

My ex bf & I been together for 1yr & 8months we even have a child together but we fight all the time I try not to fight in front of are daughter but he makes it hard he gets mad over everything I do so rn we haven't been together bc I told him I wanna be single but then I want my daughter to feel safe & comfortable @one home not 2😏 and since we haven't been together I have been talking to this other guy and he makes me happy and keeps me satisfied but idk wat to do bc by ex wants to get bck together but I wanna be free.... some one pls help me decide