Hello Lil welcome aboard Filipino UK

As a first step may I suggest a review the UKVI
Visa Frequently Asked Question's here.

I'd then suggest reading through the following forum threads which I'm sure will help:-

Child's Settlement Visa- Please help


Bringing a child who belongs to my wife to the UK

Don't be shy to ask any specific questions you need help with

Take special note of the links and info relating to Sole Responsibility.