Your husband's lawyer is not bound to reply you nor he is responsible for your husband's attitude or behavior with you.
You have to deal with your husband directly, i.e., by filing a domestic violence case seeking the relief of protection to your life, residential rights and maintenance for your child (since you are employed, you may not be eligible for seeking maintenance for yourself).
You may implead your parents in law, sisters in law in the domestic violence for not allowing your entry into the matrimonial house which itself constitutes domestic violence.
The incidences of your husband assaulting you and other physical tortures can be termed as cruelty or act of cruelty for lodging 498a case against him. Refusal to give your property will constitute the offence for breach of trust under section 409 IPC.
You can lodge a criminal complaint in this regard with the concerned police.
You can even write to your husband's employer directly seeking intervention for your husband's hostile attitude towards the maintenance of the minor child which he is ignoring.
You have lot of remedies through legal process, you may contact a good advocate and proceed on the lines of their proper advise to fetch you the desired relief.