Thank you for sharing your dream with us. Please take everything that I share to the Holy Spirit as He Alone gives the accurate interpretation.
Your sister (either literal, a representative, or someone with a similar name/characteristic) may receive an opportunity that seems bigger than what she “might be able to walk in” but it is for her after waiting for a while. Her prayer is to be for wisdom and courage to grow into this new calling/opportunity/job.
Your “sister” obviously trusts you and shares intimate things with you. J., please guard against envy/jealousy and rejoice with those who are rejoicing if this is an area that you struggle with. Be encouraged as God sometimes uses dreams to show us the state of our hearts to correct us. Yes, He loves us that much :)!